Michael Thomas McCaul Sr. (born January 14, 1962) is an American attorney, politician and a member of the U.S. House of Representatives for Texas's 10th congressional district.

He was the Chief of Counterterrorism and National Security for Texas's branch of the US Attorney's office, and also worked under the Department of Justice's Public Integrity Section.

[7] On December 11, 2013, McCaul introduced legislation to require the Secretary of the Department of Homeland Security (DHS) to conduct cybersecurity activities on behalf of the federal government and codify DHS's role in preventing and responding to cybersecurity incidents involving the information technology (IT) systems of federal civilian agencies and critical infrastructure in the U.S.[8][9] McCaul said the bill was "an important step toward addressing the cyber threat.

He also voted against creating an independent commission to investigate the January 6 attack encouraged by Trump's false claims of electoral fraud.

However, unlike Trump and most Republican legislators, McCaul did not sign the Texas v. Pennsylvania amicus brief to file a motion in support of the case.

[11] In April 2019, McCaul spoke out against a resolution that would end U.S. involvement in the Yemeni Civil War, saying it would "disrupt US security cooperation agreements with more than 100 countries.

[22] Around the time of the introduction of Protecting Americans' Sensitive Data from Foreign Adversaries, the act including the TikTok ban, McCaul received attention for purchasing stock in Meta.

In 2011, Roll Call named McCaul as one of the wealthiest members of the United States Congress, surpassing then U.S. senator John Kerry.

A family member arrived to drive him to his destination, and McCaul expressed gratitude for law enforcement, while emphasizing his commitment to learn from the mistake.

[40] Incumbent Michael McCaul faced Assistant Attorney of Austin Mike Siegel in the 2018 general election, winning by 4.3 percent of the vote.